[Python-Dev] PEP 540: Add a new UTF-8 mode (v2)

[Chris Angelico]

On Wed, Dec 6, 2017 at 4:46 PM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> Something I've just noticed that needs to be clarified: on Linux, "C"
> locale and "POSIX" locale are aliases, but this isn't true in general
> (e.g. it's not the case on *BSD systems, including Mac OS X).

For those of us with little to no BSD/MacOS experience, can you give a
quick run-down of the differences between "C" and "POSIX"?

ChrisA